Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2020EXPRESS 2500 LS, 2.8L ENG VIN 1REPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATOR AND HARNESS ROUTING VIEWSCOMPONENT LOCATORLUGGAGE COMPARTMENT/REAR OF VEHICLE COMPONENT VIEWSLEFT REAR CARGO AREA COMPONENTS (PASSENGER OR CARGO)
2020 Chevrolet Express 2500 LS, 2.8L Eng VIN 1
Left Rear Cargo Area Components (Passenger or Cargo)
2020 Chevrolet Express 2500 LS, 2.8L Eng VIN 1SECTION Left Rear Cargo Area Components (Passenger or Cargo)
Left Rear Cargo Area Components (Passenger or Cargo)
| Component Name | Callout |
|---|---|
| B63LR Side Impact Sensor - Left Rear (ASF) B63LR Side Impact Sensor - Left Rear | 1 |
| M6B Air Temperature Door Actuator - Auxiliary (C69) M6B Air Temperature Door Actuator - Auxiliary | 2 |
| R3B Blower Motor Resistor - Auxiliary (C36/C69) R3B Blower Motor Resistor - Auxiliary | 3 |
| KR32B Blower Motor High Speed Relay - Auxiliary KR32B Blower Motor High Speed Relay - Auxiliary | 4 |
| KR32D Blower Motor Medium Speed Relay - Auxiliary KR32D Blower Motor Medium Speed Relay - Auxiliary | 5 |
| KR32C Blower Motor Low Speed Relay - Auxiliary KR32C Blower Motor Low Speed Relay - Auxiliary | 6 |
| M8B Blower Motor - Auxiliary (C36/C69) M8B Blower Motor - Auxiliary | 7 |
| M37B Mode Door Actuator - Auxiliary (C69) M37B Mode Door Actuator - Auxiliary | 8 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.